sending mail from the command line with heirlooms xmail…….

First I created a ~/.mailrc file containing: set smtp-use-starttls set ssl-verify=ignore set smtp=smtp://$SMTPSERVERMYISP:587 set smtp-auth=login set smtp-auth-user=$SMTPLOGINACCOUNT set smtp-auth-password=$SMTPLOGINACCOUNTPASSWORD set from=”$MYEMAILADDRESS ($MYNAME)” Then sending an email is just as simple as: $mail Then give the subject and start typing your message. Sending will be done by pressing CTRL-D.

read data from hyt 271 (c code)

plaatje + text pi@raspberrypi ~/bin $ vi readhyt.c #include <stdio.h> #include <fcntl.h> /*file control options. ie for open file use O_RDWR*/ #include <sys/ioctl.h> #include <linux/i2c-dev.h> #include <stdlib.h> #include <stdarg.h> #include <string.h> #include <unistd.h> /* sleep */ #include <dirent.h> int main() { int fh; unsigned char buf[4]; float h, t; fh = open(“/dev/i2c-1”, O_RDWR); ioctl(fh,I2C_SLAVE,0x28); buf[0] […]

pandaboard: wifi accesspoint, alcatel hsdpa / sms

1. download ubuntu 12.04 armhf version ( 2. unzip file (right click> extract here) and dd to an sd card: $sudo dd if=precise-preinstalled-desktop-armhf+omap4.raw of=/dev/sdd bs=4M 3. insert sd card in pandaboard. boot. answer some installation questions. 4. install advanced vi (vim). $sudo apt-get install vim 5. install openssh-server $sudo apt-get install openssh-server 6. main user […]

got the hsdpa dongel to work….

1. a working internet connection: $ sudo wvdial vodafone –> WvDial: Internet dialer version 1.61 –> Initializing modem. –> Sending: ATZ ATZ OK –> Sending: ATZ ATZ OK –> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 OK –> Sending: AT+CGDCONT=1,”IP”,”” AT+CGDCONT=1,”IP”,”” OK –> Modem initialized. –> Sending: […]

Search for installable versions of a package (apt-get)

For a project I had to downgrade the xorg to a lower version. To know what versions are available, the mansion option comes in handy. $sudo apt-cache madison xserver-xorg-core Results in my case (ubuntu 12.04.1) in: xserver-xorg-core | 2:1.11.4-0ubuntu10.12 | … xserver-xorg-core | 2:1.11.4-0ubuntu10.6 | … xserver-xorg-core | 2:1.11.4-0ubuntu10 | … xorg-server | 2:1.11.4-0ubuntu10 | […]

Turn raspberry pi quickly in an accesspoint

I bought a very cheap wifi dongle on ebay. With a ralink rt5370 (get them for 4 euros a piece). First thing I did edit the /etc/network/interface, that now looks like: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp auto wlan0 iface wlan0 inet static address netmask Now I […]


My files are archived to another machine with rsync. Using a command like: $rsync -avh [from dir] [knilluz@server:/to dir] There is only one annoying issue with this command. The trailing slash. rsync -avh /home/knilluz/dirtobackup/ knilluz@zerver:/backup/xxx will lead to another result than: rsync -avh /home/knilluz/dirtobackup knilluz@zerver:/backup/xxx In one case the name of the directory ‘dirtobackup’ will […]

Semantics vs. Presentation in HTML

[source] >> cut’npaste >> Semantics vs. Presentation in HTML One of the holy grails in modern web development is separation of content and presentation. This is often understood to mean a┬áseparation of HTML and CSS, but it goes deeper than that. In order to take full advantage of the concept, first we need to understand […]

Fail2ban banned way to happy…..

Fail2ban happily blacklisted a bunch of ipadresses (putting ip addresses from naughty hacking users as DROP lines in iptables). Here I describe the commands to remove these banned ip addresses. Execute them as user root or sudo. List all current iptable rules: #iptables -L -n –line-numbers […] Chain fail2ban-APACHE (3 references) num target prot opt […]